{validate form="add_news_comment" id="v_comment_empty" append="error" message="Comment cannot be empty."}
{if $post_button}
	<div class="failed">
		{assign var="session_name" value=#SessionName#}
		{if !$smarty.cookies.$session_name}
			Your session has expired. You have to login back into the system to use this form.<br />
		{/if}
		{foreach $error as $message}
			{$message}<br />
		{/foreach}
	</div>
{/if}